Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c802b1c71a64738dc66818529d2c008ad7ab3f82382ec2796bc91a773d564496:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^